Towers points out that such "games" tend to go in and out of fashion in orca society. For example, right now in a population he studies in the Pacific, "we have juvenile males who ... often interact with prawn and crab traps," he says. "That's just been a fad for a few years."
Back in the 1990s, for some orcas in the Pacific, something else was in vogue. "They'd kill fish and just swim around with this fish on their head," Towers says. "We just don't see that anymore."
Orcas have their own planking, dabbing, etc. Incredible.
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Orcas have their own planking, dabbing, etc. Incredible.
Humans have opposable thumbs, have created civilization and are proud of that fact.
Dolphins have no opposable thumbs, have not created civilization and are proud of that fact.
(badly) paraphrased from Douglas Adams
Sounds exactly like the beginning of that ScFi book The Swarm :)
Can't they get hurt by the propeller if the engine is running?
They can yes. It is usually exposed.
I'm not a lawyer, but if this is in international waters, what's the harm? They're just fish, despite the scary name.
Um...Orcas (whales) are mammals [1]
[1] https://en.wikipedia.org/wiki/Orca
It may shock you to hear but the law does not apply to fish, or indeed most mammals.
Ever heard of PETA ?